Headlight Switch Problems of Lexus ES

The issue that I am having with my 2007 Lexus Es 350 is while im in motion on a highway or street both of my headlights will shut off. I have to manually turn the headlight switch off then on again and thats when they will come back on, it happens several times while driving. Sometimes the left headlight will turn off and the right stays on and vice versa for the right or both. I contacted the dealership and they said I needed the headlamp replaced but once I did some research on this issue with the make and model of my vehicle I realized there are numerous of individuals having the same dangerous issue with having the headlamps replace the issue still remains the headlamps shut off completely inhibiting the view of the highway at night. This is very dangerous. I have been pulled over by the police because of this. Ive replaced headlights several times and it still happens every single time I drive!!!.

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The headlights are supposed to track with the direction of my I front tires. For the past 2+ years my headlights have sporadically been turning off. Sometimes it will be one light, other times it will be both. I am forced to turn on my brights. Usually, I can immediately switch back to my low beam and they will come back on. I took the car to my local auto repair shop so they could change the light bulbs. After inspecting the lights, they found the plastic mount was disintegrating. The heat from the halogen lights was deteriorating the plastic. As a result, the mount was unable to track. They did not want to attempt to replace the bulbs because the whole unit was too fragile.